TCS offers several advantages as compared with other techniques of noninvasive brain stimulation, such as repetitive transcranial magnetic stimulation (rTMS). These include: (1) small size of the electrodes and stimulator, thus allowing portable use, (2) simple and non-expensive technique that can easily be translated for use in clinical practice, (3) durable effects - the modulatory effects of TCS last longer as compared to rTMS [e.g., 13 minutes of TDCS can change brain excitability for up to 2 hours (Nitsche and Paulus, 2001)], (4) more easily blinded in the setting of clinical trials (Gandiga et al., 2006), and (5) well-established safety profile (Liebetanz et al., 2009).